Echo Serial terminal to LCD character display (using lcdLib)
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/**
* (C) Copyright Collin J. Doering 2015
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* File: uart_echo.c
* Author: Collin J. Doering <collin.doering@rekahsoft.ca>
* Date: Sep 17, 2015
*/
/*---------.
| Includes |
`---------*/
#include <avr/io.h>
#include <avr/interrupt.h>
#include <avr/power.h>
#include <util/delay.h>
#include <stdlib.h>
#include "lcdLib.h"
#include "ansi_escapes.h"
#include "USART.h"
#define STATUS_LED_PORT PORTC
#define STATUS_LED_DDR DDRC
#define STATUS_LED PC5
//--------------------------------------------------
void flashLED(uint8_t times) {
while (times > 0) {
STATUS_LED_PORT |= 1 << STATUS_LED; // turn on status LED
_delay_ms(100);
STATUS_LED_PORT &= ~(1 << STATUS_LED); // turn status LED off
_delay_ms(100);
times--;
}
}
//--------------------------------------------------
int main(void) {
clock_prescale_set(clock_div_1);
STATUS_LED_DDR |= 1 << STATUS_LED; // DEBUG
initUSART();
char serialChar;
initLCD();
//initLCDByInternalReset();
flashLED(5); // DEBUG
while (1) {
serialChar = receiveByte();
switch (serialChar) {
case '\r':
writeStringToLCD("\r\n");
transmitString("\n" CNL(1) "\r");
break;
case '\f':
writeCharToLCD(serialChar);
transmitString(ED(2) CUP(1,1));
break;
case 0x7f: // Backspace (sent as delete)
writeStringToLCD("\b \b");
transmitString(CUB(1) " " CUB(1));
break;
case '\e': // Beginning of ANSI escape
{
char j = receiveByte();
if (j == '[') {
char buf[11] = "\e[";
for (uint8_t i = 2, j = receiveByte(); i < 10 && j > 0x20 && j < 0x7e; i++, j = receiveByte()) {
buf[i] = j;
if (j > 0x40 && j < 0x7e) {
break;
}
}
writeStringToLCD(buf);
}
break;
}
default:
writeCharToLCD(serialChar);
transmitByte(serialChar); // Echo character back to serial console
}
}
return 0;
}